first pass matrix add, ohne broadcasting

matrix.c

@@ -41,25 +41,28 @@ MatrixType getMatrixAt(const Matrix matrix,
   return value;
 }
 Matrix add(const Matrix matrix1, const Matrix matrix2) {
-
-  // Ergebnismatrix
     Matrix result;
-
+    const int cols1 = matrix1.cols;
-  // Broadcasting nur bei Vektor und Matrix, Fehlermeldung bei zwei unpassender
+    const int rows1 = matrix1.rows;
-  // Matrix
+    const int cols2 = matrix2.cols;
-  if (matrix1.rows != matrix2.rows) {
+    const int rows2 = matrix2.rows;
-
+    const int colsEqu = (matrix1.cols == matrix2.cols) ? 1 : 0;
-    // check, which one is smaller
+    const int rowsEqu = (matrix1.rows == matrix2.rows) ? 1 : 0;
-    // realloc
+    if(colsEqu && rowsEqu)
+    {
+        Matrix result = createMatrix(matrix1.rows, matrix1.cols);
+        for(int i = 0; i < rows1; i++)
+        {
+            for (int j = 0; j < cols1; j++)
+            {
+                int valueM1 = getMatrixAt(matrix1, i, j);
+                int valueM2 =getMatrixAt(matrix2, i, j);
+                int sum = valueM1 + valueM2;
+                setMatrixAt(sum, result,i,j);
             }
-
-  if (matrix1.cols != matrix2.cols) {
         }
 
-  // Speicher reservieren
-
-  // Matrix addieren
-
         return result;
+    }
 }
 Matrix multiply(const Matrix matrix1, const Matrix matrix2) { return matrix1; }